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7th International Conference on Computer Science and Computational Intelligence, CSCI 2022

作者： Maulana, Fairuz Iqbal Febriantono, M. Aldiki Raharja, Dwi Risza Budi Khaeruddin Herasmara, Ridho Computer Science Department School of Computer Science Bina Nusantara University Jakarta11480 Indonesia Diploma III Electronic Technology Vocational Study Program University of Muhammadiyah Malang Indonesia Electrical Engineering Faculty of Science and Technology Raden Rahmat Islamic University Malang Indonesia

Education about health sciences has historically been limited in the curriculum of health professionals and largely inaccessible to the public. In practice, most of the health science education is still running conventionally. Supposedly with the advancement of technology and the use of the internet everywhere, learning such as e-learning can be important, especially in the health sector. Until this research was conducted, only 514 academic documents about e-learning in health sciences were found for 20 years from 2001 to 2020, obtained in searching on the Scopus database. This study presents a comprehensive overview of studies related to E-learning in the Health Sciences sector. This study uses bibliometric analysis and indexed digital methods to map scientific publications throughout the world. This research employs the Scopus database to gather information, as well as the Scopus online analysis tool and Vosviewer to show the bibliometric network. The method consists with five stages: determining search keywords, initial search results, refinement of search results, initial compilation, and data analysis. Among the most published and indexed articles by Scopus, papers published by researchers in the United States have the highest number of publications (80), followed by United Kingdom (63) and Australia with 45 academic publications. The processed data shows the pattern and trend of increasing the number of international publications in E-learning in Health Sciences field, which Scopus index. © 2022 Elsevier B.V.. All rights reserved.

关键词： Publishing

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Enhancing field-scale bioremediation of weathered petroleum oil-contaminated soil with biocompost as a bulking agent

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Case Studies in Chemical and Environmental engineering 2024年 9卷

作者： Helmy, Qomarudin Kardena, Edwan Environmental Engineering Study Program Institute of Technology Bandung Ganesa St. No. 10 West Java Bandung Indonesia Water and Wastewater Engineering Research Group Faculty of Civil and Environmental Engineering Institute of Technology Bandung Ganesa St. No. 10 West Java Bandung Indonesia

The field-scale cleanup of weathered petroleum oil-contaminated soils from the Minas Oil Fields in Indonesia was investigated using landfarming bioremediation technology. Sawdust produced from palm fronds, trunks, and bushes was used as a bulking agent, fermented with manure from cow, goat, and chicken dung as amylolytic and cellulolytic source microflora. Petrophylic bacteria known for their capability to degrade PAH were used as augmented microflora along with stimulated local indigenous microflora overgrown onsite. The findings demonstrated that, albeit at varying rates, the inoculum of native and augmented microflora raised the total colony-forming units (CFU) and the rate at which total petroleum hydrocarbons (TPH) were degraded in all contaminated soils treated in the soil bioremediation facilities (SBF). After 150 days of bioremediation operation, the bioremediation process for petroleum oil-contaminated soil effectively eliminated 165.79 kg of TPH from 2565 cubic meters of contaminated soil, with a recovery cost of 161 USD per cubic of treated soil. The initial average TPH concentration in the soil was 64,799 ± 9373 mg/kg and decreased to a lower concentration of 163 ± 74 mg/kg after bioremediation was completed. Both native and augmented petrophilic microflora showed significant growth over tenfold, with an average number of colonies at the initial stage of the bioremediation process ranging from 5.9 × 10⁵ to 6.6 × 10⁶ CFU per gram of soil. We show that a practical and affordable bioremediation technique is the onsite production of petrophylic microflora (both native and augmented) and compost from locally available biomass waste. © 2024 The Authors

关键词： Bioaugmentation Biocompost Bioremediation Field-scale Petroleum Petrophylic

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Transforming disposable masks to sustainable gasoline-like fuel via pyrolysis

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Environmental Advances 2024年 15卷

作者： Sari, Mega Mutiara Inoue, Takanobu Salsabilla, Vionna Chantika Septiariva, Iva Yenis Mulyana, Rahmad Prayogo, Wisnu Arifianingsih, Nur Novilina Suhardono, Sapta Suryawan, I. Wayan Koko Department of Environmental Engineering Faculty of Infrastructure Planning Universitas Pertamina Jakarta 12220 Indonesia Department of Architecture and Civil Engineering Toyohashi University of Technology Aichi Toyohashi 441-8580 Japan Civil Engineering Study Program Faculty of Engineering Universitas Sebelas Maret Jl. Ir. Sutami 36A Surakarta 57126 Indonesia Department of Civil Engineering Faculty of Engineering Universitas Negeri Medan North Sumatra Medan Indonesia Department of Environmental Engineering Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Bandung 40116 Indonesia Department of Environmental Science Universitas Sebelas Maret. Central Java Surakarta Indonesia

The past COVID-19 pandemic has led to a surge in the use of disposable masks, posing a significant environmental challenge due to the swift accumulation of waste. This study explores the potential of pyrolysis to transform this waste into valuable pyrolysis oil with characteristics akin to gasoline, addressing both waste management and energy derivation concerns. Pyrolysis, a thermal decomposition process, was applied to mask materials, producing an oil with a high calorific value of 45.93 MJ/kg. The chemical makeup of this pyrolytic oil was meticulously characterized using Pyrolysis-Gas Chromatography-Mass Spectrometry (PY-GC/MS) and Fourier-transform Infrared Spectroscopy (FTIR), confirming the presence of hydrocarbons similar to those found in gasoline. Achieving an efficiency of 41.865 %, the pyrolytic approach demonstrated a promising potential for not only managing mask waste but also creating an alternative energy carrier. However, the study advises that before considering this pyrolytic oil for engine use, a thorough evaluation of its combustion quality, engine compatibility, and environmental impact is essential. This investigation advances the discussion on sustainable waste management, offering insights into the generation of alternative fuels from daily waste streams, while also highlighting the necessity for comprehensive analyses to ensure the practicality and efficiency of such novel energy solutions. © 2023 The Author(s)

关键词： Alternative fuel sources Disposable masks Energy recovery techniques Medical waste valorization Thermochemical conversion

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Risk management implementation design with ISO 21001: 2018 to ensure University quality (Case study faculty of engineering Unsoed)

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AIP Conference Proceedings 2024年第1期2952卷

作者： Katon Muhammad Puspita Cahyaningrum Amanda Sofiana Hasyim Asyari Indro Prakoso Industrial Engineering Study Program Engineering Faculty Universitas Jenderal Soedirman Purwokerto Indonesia

The faculty of engineering, Jenderal Sudirman University, now referred to as the Unsoed engineering faculty, is one of the faculties at Jenderal Sudirman University. The Unsoed faculty of engineering has not implemented the ISO 21001:2018 quality assurance system and uses the 2020 SN Dikti standard. The implementation of ISO 21001:2018-based risk management at the General Sudirman University faculty of engineering is considered to be able to improve the operational performance of an organization. The increasing sources of risk from all aspects and the complexity of the risks that occur are the background for implementing risk identification. This study uses ISO 31000:2018 as a method for risk management. From the research that has been done, it is known that the SN Dikti 2020 still does not fulfill all the clauses of ISO 21001:2018. After identifying risks, there were 17 identified risks at the Unsoed engineering faculty. The Unsoed engineering faculty’s response to the identified risks is four avoided risks, six reduced risks, and seven accepted risks. Risk mitigation at the Unsoed engineering faculty is carried out for stakes, with risk responses being avoided and reduced.

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Communal-based domestic rainwater harvesting system: A novel approach to alternative solutions for increasing water supply and recharging groundwater in Jagakarsa urban area, South Jakarta

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Case Studies in Chemical and Environmental engineering 2025年 11卷

作者： Suprapti, Suprapti Kusuma, Muhammad Syahril Badri Kardhana, Hadi Cahyono, Muhammad Juliana, Imroatul Chalimah Doctoral Program of Civil Engineering Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Jl. Ganesha No. 10 Jawa Barat Bandung 40132 Indonesia Water Resources Engineering Group Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Jl. Ganesha No. 10 Jawa Barat Bandung 40132 Indonesia Civil Engineering Department Faculty of Engineering and Sciences Ibnu Khaldun Bogor University Jl. Sholeh Iskandar Km. 2 Jawa Barat Kota Bogor 16162 Indonesia Research Center for Ecohydrology Ecohydraulics and Engineering Science Bandung Jl. Babakan Jeruk 1 No. 100 Jawa Barat Bandung 40132 Indonesia Civil Engineering Study Program Sriwijaya University Jl. Raya Lintas Timur Palembang - Prabumulih No. Km. 32 Indralaya Indah South Sumatra Indralaya Indonesia Study Program of Civil Engineering Faculty of Engineering Universitas Mercu Buana Jl. Meruya Selatan No. 01 Kembangan-Jakarta Barat Jakarta 11650 Indonesia

This study proposes a new approach, a communal-based domestic rainwater harvesting (CDRWH) system, which is a new model that combines domestic and communal rainwater harvesting systems. This model is an alternative solution to improve system performance and utilize rainwater overflow from the system. Rainwater runoff from several domestic tanks is channeled to a communal tank to be collected, processed, and redistributed to needy domestic tanks. Overflow from the communal tank is used for groundwater recharge. The CDRWH system model aims to increase water supply, reduce runoff, and conserve groundwater. The model simulation uses daily water balance analysis and yield before spillage algorithm. The simulation scenario uses variations in roof area, number of house occupants, storage tank volume, and rainfall categories: 20 years, wet year, normal year, and dry year. Jagakarsa, an urban area in South Jakarta, was selected for the CDRWH system modeling. The results showed that the CDRWH model significantly improved the performance of the volumetric reliability (VR) and time reliability (TR) systems. In addition, the model could show a comparison of total groundwater recharge (GWR) and groundwater extraction (GWE), where the GWR capacity was higher. This allows centralized rainwater management in communal tanks, thereby reducing groundwater usage. The design of this model is simple. Therefore it can be easily duplicated for application in other locations. © 2025 The Authors

关键词： Communal-based domestic rainwater harvesting (CDRWH) Groundwater extraction (GWE) Groundwater recharge (GWR) Jagakarsa-South Jakarta Reduced runoff Water supply

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Preliminary study of increasing added value in basalt rocks as raw material for making basalt fiber (Fiber Basalt Reinforced Composite)

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AIP Conference Proceedings 2024年第1期3065卷

作者： Y. Yuliadi Zaenal Elfida Moralista Noufal Abhinaya Maya Almaniar Zulhi Wibiyana Mining Engineering Study Program Faculty of Engineering Islamic University of Bandung Bandung Indonesia

West Java has mining materials from volcanic activities including andesite and basalt. This mining materialis used conventionally as a building (construction) material which is still in the form of ’raw materials’ or ’semi-finished’ so that its use is only carried out simply and the selling value is low. To increase its selling value, basalt rock can be used as a composite construction material in the form of fibers, including composites with the strengthening of basalt fibers (Fiber Basalt Reinforced Composite). This study aims to see the characteristics of basalt rocks that can be made fibers in 3 locations in the Bandung area (Gunung Bohong, Cipatik and Batu Templek) including the characteristics of chemical composition, physical and mechanical properties and mineral composition. The research methodology was carried out by a comparative method by looking at the characteristics of other basalt rocks that can already be used as basalt fibers, namely chemical composition (Al2O3 and SiO2) with the XRF method, testing physical (density) and mechanical properties (tensile strength and Elastic Modulus) and mineral composition with petrography analysis methods by looking at the plagioclase mineral. Based on chemical analysis, of the three samples studied, they were included in the criteria for basalt rocks that can be used for the manufacture of basalt fibers, but in these samples there were chemical compounds that were not included in the criteria, namely the Fe2O3 + FeO and MgO compounds. Then the characteristics of physical properties that are included in the criteria for making basalt fibers are in the Cipatik and Batu Templek samples. Meanwhile, the mechanical properties that are included in the criteria are in the Gunung Bohong and Cipatik samples. Furthermore, for petrography testing, it was concluded that the mineral composition in the three samples studied contained plagioclase minerals by 100%. Thus it can be indicated that the type of rock is basalt rock – and

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Determination of business development strategy using SWOT analysis and quantitative strategic planning (QSPM) to increase sales turnover

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AIP Conference Proceedings 2024年第1期2952卷

作者： Katon Muhammad Alfi Khoerunisak Budi Utami Tigar Putri Adhiana Hasyim Asyari Rani Aulia Imran Industrial Engineering Study Program Engineering Faculty Universitas Jenderal Soedirman Banyumas Indonesia

Rukun Makmur is one of the SMEs in the fisheries sector that cultivates freshwater ornamental lobsters. In 2019, the sales of Rukun Makmur MSMEs increased. However, in 2020, Rukun Makmur MSMEs experienced the impact of the Covid-19 Pandemic, resulting in a decline in sales. Therefore, this study aims to provide a proposed development strategy for MSMEs in Rukun Makmur. The analytical approach used is the tools in the form of CPM (Competitive Profile Matrix), BCG Matrix (Boston Consulting Group), Grand Strategy Matrix, and IE Matrix (Internal-External). As for the decision-making method, namely QSPM (The Quantitative Strategic Planning Matrix). The result of this research is that UMKM Rukun Makmur, compared to competitors, is in second place after UMKM C with a score of 3,013. Then, Rukun Makmur’s MSME market growth of -0.339 was in the medium position and the low position for its market share with a relative market share of 0.49. In addition, MSME Rukun Makmur is in the Hold and Maintain quadrant with a total IFE of 2,725 and an EFE of 2,482. The final result is a Development Strategy prioritized for Rukun Makmur SMEs: Market Penetration with TAS 6,587, Related Diversification with TAS 6,067, and Product Development with TAS 5,687.

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Enhancing Field-Scale Bioremediation of Weathered Petroleum Oil-Contaminated Soil with Biocompost as a Bulking Agent

SSRN

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SSRN 2023年

作者： Helmy, Qomarudin Kardena, Edwan Environmental Engineering Study Program Institute of Technology Bandung Ganesa St. No. 10 Bandung-West Java Indonesia Water and Wastewater Engineering Research Group Faculty of Civil and Environmental Engineering Institute of Technology Bandung Ganesa St. No. 10 Bandung-West Java Indonesia

The field-scale cleanup of petroleum oil-contaminated soils from the Minas Oil Fields in Indonesia was investigated using bioremediation. Sawdust produced from palm fronds was used as a bulking agent, and fermented with manure as an amylolytic and cellulolytic source of microflora. Petrophylic bacteria were used as augmented along with stimulated indigenous microflora overgrown onsite. The findings demonstrated that after 150 days of bioremediation, the operation effectively eliminated 165.79 kg of TPH from 2,565 m3 of contaminated soil, with a recovery cost of 161 USD per m3 of treated soil. The initial average TPH concentration in the soil was 64,799 mg/kg. © 2023, The Authors. All rights reserved.

关键词： Bioremediation

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Effect of feedback on learning motivation of primary teacher education students in primary school physics courses 10

Effect of feedback on learning motivation of primary teacher...

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10th National Physics Seminar, SNF 2021

作者： Sianipar, L.K. Sitompul, H. Sanjaya, L.A. Puspa, R.W.D. Pertiwi, W.A. Qoiriyah, W. Department of Physics Education Universitas Pelita Harapan Tangerang15811 Indonesia Department of Physics Faculty of Mathematics and Natural Science Universitas Negeri Jakarta Indonesia Kartika VIII-1 Senior High School Jakarta Indonesia Islamic Education Management Study Program Faculty Islamic of Education and Teacher Training Muhammad Azim Institute Jambi Indonesia Informatics Engineering Study Program Faculty of Engineering Sheikh Yusuf Islamic University Tangerang Indonesia

Based on the results of the questionnaire distributed to Primary Teacher Education Students, 96% of students said that Physics is difficult to understand because the material is very complex, many formulas, especially the learning process is done online. This study aims to describe the influence of providing feedback on the motivation of Primary Teacher Education Students in primary school physics courses. The method used in this research is descriptive qualitative. Meanwhile, the instrument used was a questionnaire which was distributed to 115 elementary school education students. The result of the research shows that giving feedback consistently is able to motivate students. This can be seen from the results of the questionnaires distributed, each indicator is of very good value. © 2021 Institute of Physics Publishing. All rights reserved.

关键词： Students

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Electrodermal Activity-Based Stress Measurement Using Continuous Deconvolution Analysis Method 1

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1st International Conference on Electronics, Biomedical engineering, and Health informatics, ICEBEHI 2020

作者： Putri, Yang Sa’ada Kamila Ariyansah Rahma, Osmalina Nur Fajriaty, Nuzula Dwi Putra, Alfian Pramudita Rahmatillah, Akif Ain, Khusnul Biomedical Engineering Study Program Department of Physics Faculty of Science and Technology Universitas Airlangga Surabaya60115 Indonesia Biomedical Signals and Systems Research Group Faculty of Science and Technology Universitas Airlangga Surabaya60115 Indonesia

ISBN: (数字)9789813369269

ISBN: (纸本)9789813369252

Stress is a psychological response that must be handled properly, or it can affect psychology and trigger other complicated diseases. Nowadays, stress measured by filling out stress-related forms or interviews with a psychologist. This method still requires a willingness from the patient to consult their condition, which is often not giving the best result due to late treatment. Therefore, we need a system to monitor a person’s stress level conditions independently so they could be threatened quickly if their state gets worsen. One of the non-invasive methods that can be used to measure stress is an Electrodermal Activity (EDA) sensor. EDA is known to be associated with sweat gland activity regulated by SudoMotor Nerve Activity (SMNA), which response to a stressor. However, the SMNA need to decompose into the Skin Conductance Response (SCR) before it could represent stress condition. Hence, the decomposition stage is essential in measuring the quality of the stress condition. In this study, the EDA sensor placed in the palm to obtain the skin conductivity signal. Then, the skin conductivity signals were deconvolved using the Continuous Deconvolution Analysis (CDA) method to capture the SCR. CDA was chosen because it could produce a zero-based line SCR driver and could separate two overlapping peaks in SCR. The result, CDA is adequate to extract SCR, which is shown by the zero baseline of the SCR driver line with a clear peak. The clear SCR peaks are essential for identifying the responses related to the stimulus (stressor). © 2021, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Noninvasive medical procedures

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